2. Location
Lies on the posterior abdominal wall, one on each side of
the vertebral column, below the diaphragm.
Right kidney posterior to liver, left kidney posterior to
spleen.
T12-L3
Right kidney slightly lower than the left kidney because
of the space occupied by the liver.
3. Structure
Kidneys are bean shaped organ of the renal system.
11cm long, 6cm wide, 3cm thick.
weight 150g
Cortex: outer reddish layer
Medulla: innermost layer
Pyramids: cup shaped cavities in which urine collects
Pelvis: funnel like dilated part of the ureter in the kidney
4. There are three layers of tissues surrounding each kidneys:
The outermost layer is a tough connective tissue layer called the
renal fascia.
The second layer is called the perirenal fat capsule, which helps
anchor the kidneys in place.
The third and innermost layer is the renal capsule.
5. Function of kidney:
remove waste products from the body.
remove drugs from the body.
balance the body's fluids.
release hormones that regulate blood pressure.
produce an active form of vitamin D that promotes strong, healthy bones.
control the production of red blood cells.
